A US Navy pilot whose plane filmed the famous "tic-tac" UFO footage has revealed how his weapons system was disabled during the eerie encounter. 

Seventeen years on, Lieutenant Commander Chad Underwood said when he tried to track the "target of interest", he began seeing "strobe lines" on his cockpit radar.

UFOs have stepped from a fringe conspiracy theory to a genuine national security debate as the US last week admitted hundreds of mysterious encounters in the skies.

It followed the Pentagon confirming Mr Underwood’s in-flight "tic-tac" video from 2004, recorded by his F/A-18 Super Hornet, was authentic. 

The incident unfolded during a USS Nimitz carrier group exercises off the coast of Mexico.

Crew aboard the Ticonderoga-class guided missile cruiser USS Princeton, had been spending the past two weeks tracking mysterious aircraft on and off with an advanced AN/SPY-1B passive radar.

Now, speaking to filmmaker Jeremy Corbell, Mr Underwood has revealed how his weapons system was suddenly crippled after he attempted to track the "tic-tac" object which was moving at incredible speeds. 

He said: "Once I got the target of interest on my radar I took a lock and that’s when all the kinda funky things started happening.

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